Issues with adding a host to VMM when the computer has more than 16 processors

02/09/2009

2 minutes to read

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It has come to our attention that trying to add a computer with more than 16 processors (for example a quad six-core machine with 24 processors) is crashing the VMM server with the following exception:

System.InvalidOperationException: Nullable object must have a value.

at System.Nullable`1.get_Value()

at Microsoft.VirtualManager.Engine.Adhc.WindowsHostDataProperties.GetProcessorData()

at Microsoft.VirtualManager.Engine.Adhc.WindowsHostDataProperties.PopulateProperties()